Take Mastering MySQL Indexing Quiz

#1 What is the primary purpose of an index in MySQL?

Single choice • 1 point

To store data in a compressed format

To speed up data retrieval

To enforce data integrity

To create relationships between tables

#2 Which type of index is best for range queries?

Single choice • 1 point

Hash Index

B-Tree Index

Full-Text Index

Spatial Index

#3 True or False: An index can significantly improve the performance of SELECT queries but may slow down INSERT operations.

True/False • 1 point

True

False

#4 Which index type would you use for full-text search in MySQL?

Single choice • 1 point

B-Tree Index

Hash Index

Full-Text Index

Composite Index

#5 What is a composite index?

Multiple choice • 1 point

An index on multiple columns

An index that contains unique values only

An index that speeds up JOIN operations

An index that is applied to a single column

#6 Which command is used to create an index in MySQL?

Single choice • 1 point

CREATE TABLE

CREATE INDEX

ALTER TABLE

INDEX CREATE

#7 What is the effect of using too many indexes on a table?

Multiple choice • 1 point

Improved read performance

Slower write performance

Increased storage requirements

No effect at all

#8 What is the default storage engine for MySQL that supports indexing?

Single choice • 1 point

MyISAM

InnoDB

MEMORY

CSV

#9 True or False: An index can only be created on a primary key column.

True/False • 1 point

True

False

#10 Which command would you use to drop an index from a table?

Single choice • 1 point

DROP INDEX

DELETE INDEX

REMOVE INDEX

ALTER INDEX

Mastering MySQL Indexing Quiz

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